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LTC3621 Datasheet(PDF) 18 Page - Analog Devices

Part # LTC3621
Description  Quad 17V, 1.25A Parallelable Synchronous Step-Down Regulator with Ultralow Quiescent Current
PDF  20 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

LTC3621 Datasheet(HTML) 18 Page - Analog Devices

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LTC3644/LTC3644-2
18
Rev. 0
For more information www.analog.com
TYPICAL APPLICATIONS
CIN
22µF
×4
CVCC
4.7µF
CFF1
22pF
COUT1
47µF
CFF2
22pF
COUT2
47µF
CFF3
22pF
COUT3
47µF
×2
R1
619k
R2
137k
R3
619k
R4
309k
R5
619k
R6
84.5k
L1
4.7µH
L2
3.3µH
L3
3.3µH
MODE/SYNC SGND
VIN
12V
LTC3644
VIN1
VIN2
VIN3
VIN4
SVIN
RUN1
RUN2
RUN3
RUN4
PGOOD1
PGOOD2
PGOOD3
PGOOD4
INTVCC
PHASE
FB3
SW1
SW2
SW3
SW4
PGND1
3644 F07
VOUT4
5V AT 2.5A
VOUT1
3.3V AT 1.25A
VOUT2
1.8V AT 1.25A
FB1
FB2
FB4
Figure 7. 2.5A/1.25A/1.25A 1MHz Step-Down Regulator with Common Input Supply



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